<template>
    <el-affix :offset="0">
        <!-- 通过 flex 指定水平布局 -->
        <div class="bg-white h-[64px] flex pr-4 border-b border-slate-100 ">
            <!-- 左边栏收缩、展开 -->
            <div class="w-[42px] h-[64px] cursor-pointer flex items-center justify-center text-gray-700 hover:bg-gray-200"
                @click="handleMenuWidth">
                <el-icon>
                    <Fold v-if="menuStore.menuWidth == '250px'" />
                    <Expand v-else />
                </el-icon>
            </div>

            <!-- 右边容器，通过 ml-auto 让其在父容器的右边 -->
            <div class="ml-auto flex">

                <!-- 点击跳转前台首页 -->
                <el-tooltip class="box-item" effect="dark" content="跳转前台" placement="bottom">
                    <div class="w-[42px] h-[64px] cursor-pointer flex items-center justify-center text-gray-700 hover:bg-gray-200"
                        @click="router.push('/')">
                        <el-icon>
                            <Monitor />
                        </el-icon>
                    </div>
                </el-tooltip>
                <!-- 点击全屏展示 -->
                <el-tooltip class="box-item" effect="dark" content="全屏" placement="bottom">
                    <div class="w-[42px] h-[64px] cursor-pointer flex items-center justify-center text-gray-700 mr-2 hover:bg-gray-200"
                        @click="toggle">
                        <el-icon>
                            <FullScreen v-if="!isFullscreen" />
                            <Aim v-else />
                        </el-icon>
                    </div>
                </el-tooltip>

                <!-- 点击刷新页面 -->
                <el-tooltip class="box-item" effect="dark" content="刷新" placement="bottom">
                    <div class="w-[42px] h-[64px] cursor-pointer flex items-center justify-center text-gray-700 hover:bg-gray-200"
                        @click="handleRefresh">
                        <el-icon>
                            <Refresh />
                        </el-icon>
                    </div>
                </el-tooltip>

                <!-- 登录用户头像 -->
                <el-dropdown class="flex items-center justify-center" @command="handleCommand">
                    <span class="el-dropdown-link flex items-center justify-center text-gray-700 text-xs">
                        <!-- 头像 Avatar -->
                        <el-avatar class="mr-2" :size="25"
                            src="https://img.quanxiaoha.com/quanxiaoha/f97361c0429d4bb1bc276ab835843065.jpg" />
                        {{ userStore.userInfo.username }}
                        <el-icon class="el-icon--right">
                            <arrow-down />
                        </el-icon>
                    </span>
                    <template #dropdown>
                        <el-dropdown-menu>
                            <el-dropdown-item command="updatePassword">修改密码</el-dropdown-item>
                            <el-dropdown-item command="logout">退出登录</el-dropdown-item>
                        </el-dropdown-menu>
                    </template>
                </el-dropdown>
            </div>
        </div>
    </el-affix>
    <!-- 修改密码 -->
    <el-dialog v-model="dialogVisible" title="修改密码" width="40%" :draggable="true" :close-on-click-modal="false"
        :close-on-press-escape="false">
        <el-form ref="formRef" :rules="rules" :model="form">
            <el-form-item label="用户名" prop="username" label-width="120px">
                <!-- 输入框组件 -->
                <el-input size="large" v-model="form.username" placeholder="请输入用户名" clearable disabled />
            </el-form-item>
            <el-form-item label="密码" prop="password" label-width="120px">
                <el-input size="large" type="password" v-model="form.password" placeholder="请输入密码" clearable
                    show-password />
            </el-form-item>
            <el-form-item label="确认密码" prop="rePassword" label-width="120px">
                <el-input size="large" type="password" v-model="form.rePassword" placeholder="请确认密码" clearable
                    show-password />
            </el-form-item>
        </el-form>
        <template #footer>
            <span class="dialog-footer">
                <el-button @click="dialogVisible = false">取消</el-button>
                <el-button type="primary" @click="onSubmit">
                    提交
                </el-button>
            </span>
        </template>
    </el-dialog>

</template>
<script setup>
    import { useMenuStore } from '@/stores/menu'
    // 引入 useFullscreen
    import { useFullscreen } from '@vueuse/core'
    import { useUserStore } from '@/stores/user'
    import { useRouter } from 'vue-router'
    import { ref, reactive,watch  } from 'vue'
    import { updateAdminPassword } from '@/api/admin/user'
    import { showMessage, showModel } from '@/composables/util'
     // 引入了用户 Store
     const userStore = useUserStore()
     const router = useRouter()
    // 引入了菜单 store
    const menuStore = useMenuStore()
    // 对话框是否显示
    const dialogVisible = ref(false)
    // 表单引用
	const formRef = ref(null)
    // 修改用户密码表单对象
    const form = reactive({
        username: userStore.userInfo.username || '',
        password: '',
        rePassword: ''
    })
    // 规则校验
    const rules = {
        username: [
            {
                required: true,
                message: '用户名不能为空',
                trigger: 'blur'
            }
        ],
        password: [
            {
                required: true,
                message: '密码不能为空',
                trigger: 'blur',
            },
        ],
        rePassword: [
            {
                required: true,
                message: '确认密码不能为空',
                trigger: 'blur',
            },
        ]
    }
    

    // icon 点击事件
    const handleMenuWidth = () => {
        // 动态设置菜单的宽度大小
        menuStore.handleMenuWidth()
    }
    // 刷新页面
    const handleRefresh = () => location.reload()
    // isFullscreen 表示当前是否处于全屏；toggle 用于动态切换全屏、非全屏
    const { isFullscreen, toggle } = useFullscreen()

        // 下拉菜单事件处理
    const handleCommand = (command) => {
        
        // 更新密码
        if (command == 'updatePassword') {
            // 显示修改密码对话框
            dialogVisible.value = true
        } else if (command == 'logout') { // 退出登录
            logout()
        }
    }

    // 退出登录
    function logout() {
        showModel('是否确认要退出登录？').then(() => {
            userStore.logout()
            showMessage('退出登录成功！')
            // 跳转登录页
            router.push('/login')
        })
    }

    const onSubmit = () => {
    // 先验证 form 表单字段
    formRef.value.validate((valid) => {
        if (!valid) {
            console.log('表单验证不通过')
            return false
        }

        if (form.password != form.rePassword) {
            showMessage('两次密码输入不一致，请检查！', 'warning')
            return
        }

        // 调用修改用户密码接口
        updateAdminPassword(form).then((res) => {
            console.log(res)
            // 判断是否成功
            if (res.success == true) {
                showMessage('密码重置成功，请重新登录！')
                // 退出登录
                userStore.logout()

                // 隐藏对话框
                dialogVisible.value = false

                // 跳转登录页
                router.push('/login')
            } else {
                // 获取服务端返回的错误消息
                let message = res.msg
                // 提示消息
                showMessage(message, 'error')
            }
        })
    })
}

// 监听 Pinia store 中的某个值的变化
watch(() => userStore.userInfo.username, (newValue, oldValue) => {

      // 在这里处理变化后的值
      console.log('新值:', newValue);
      console.log('旧值:', oldValue);
      
      // 可以在这里执行任何你需要的逻辑
      // 重新将新的值，设置会 form 对象中
      form.username = newValue
});
</script>

<style scoped>

</style>